Tinika Raasheeda wears patriotic glasses as she sings along with Lee England, Jr. at the Essence Festival's Family reunion day at Woldenberg Park Thursday, July 4, 2013. The Essence Festival embraced the Fourth of July holiday with free live music and family-style barbecue on the bank of the Mississippi River. It was the first time the festival hosted an outdoor event geared for families with stages set up along the riverfront and free performances. (AP Photo/The Advocate, John McCusker) MANDATORY CREDIT THE ADVOCATE/JOHN MCCUSKER less

Tinika Raasheeda wears patriotic glasses as she sings along with Lee England, Jr. at the Essence Festival's Family reunion day at Woldenberg Park Thursday, July 4, 2013. The Essence Festival embraced the ... more

Patrick Ardis, 10, gets a high-five from his friend Porter Rosenberg, 10, left, while riding in the Cordova Independence Day Parade at the Cordova Community Center in Cordova, Tenn., on Thursday, July 4, 2013. (AP Photo/The Commercial Appeal, Jim Weber) less

Patrick Ardis, 10, gets a high-five from his friend Porter Rosenberg, 10, left, while riding in the Cordova Independence Day Parade at the Cordova Community Center in Cordova, Tenn., on Thursday, July 4, 2013. ... more

Ed Lunderman, a member of a Living History Musket Detail, fires his musket to represent "the Shot Heard Around the World" during a Fourth of July Patriotic Ceremony at Fort Sam Houston National Cemetery, Thursday, July 4, 2013, in San Antonio. (AP Photo/Eric Gay) less

Ed Lunderman, a member of a Living History Musket Detail, fires his musket to represent "the Shot Heard Around the World" during a Fourth of July Patriotic Ceremony at Fort Sam Houston National Cemetery, ... more

Photo: Eric Gay, Associated Press

Ed Lunderman, a member of a Living History Musket Detail, fires his... Photo-4879235.65788 - GreenwichTime

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Alexis Morris, 12, of Gloucester, Mass., sleeps under a tent with a display in honor of the victims of the Boston Marathon bombings while waiting for the Boston Pops Fourth of July Concert to start at the Hatch Shell in Boston, Thursday, July 4, 2013. (AP Photo/Michael Dwyer) less

Alexis Morris, 12, of Gloucester, Mass., sleeps under a tent with a display in honor of the victims of the Boston Marathon bombings while waiting for the Boston Pops Fourth of July Concert to start at the Hatch ... more

NEW YORK, NY- JULY 04: Firemen look on as workers disassemble the Astrotower in Coney Island on July 4, 2013 in the borough of Brooklyn in New York City. Officials decided to close Luna Park and sections of the boardwalk while workers take down the amusement tower which was seen precariously swaying two days ago. (Photo by Monika Graff/Getty Images) *** BESTPIX *** less

NEW YORK, NY- JULY 04: Firemen look on as workers disassemble the Astrotower in Coney Island on July 4, 2013 in the borough of Brooklyn in New York City. Officials decided to close Luna Park and sections of the ... more

Cub Scout Tristan Jenkins, 9, says the Pledge of Allegiance during a flag ceremony before the start of the Cordova Independence Day Parade Thursday morning at the Cordova Community Center in Cordova, Tenn. Thursday, July 4, 2013. (AP Photo/The Commercial Appeal, Jim Weber) less

Cub Scout Tristan Jenkins, 9, says the Pledge of Allegiance during a flag ceremony before the start of the Cordova Independence Day Parade Thursday morning at the Cordova Community Center in Cordova, Tenn. ... more

A kayaks line the shore of Lake Jean at Ricketts Glen State Park,... Photo-4879234.65788 - GreenwichTime

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Ayana Townsend-Barnes, 8, of Scranton, Pa. displays her patriotic pride with her American Flag on Thursday, July 4, 2013 during the annual Honor The Flag Ceremonies held at Nay Aug Park in Scranton, Pennsylvania. (AP Photo / The Scranton Times-Tribune, Butch Comegys) WILKES BARRE TIMES-LEADER OUT; MANDATORY CREDIT less

Ayana Townsend-Barnes, 8, of Scranton, Pa. displays her patriotic pride with her American Flag on Thursday, July 4, 2013 during the annual Honor The Flag Ceremonies held at Nay Aug Park in Scranton, ... more

Robin Muthig, right, snaps a photo of Bob Philips, center, on the South Lawn of the White House before the start of a Fourth of July celebration, in Washington, July 4, 2013. (Allison Shelley/The New York Times) less

Robin Muthig, right, snaps a photo of Bob Philips, center, on the South Lawn of the White House before the start of a Fourth of July celebration, in Washington, July 4, 2013. (Allison Shelley/The New York ... more

From left, Al Winter, Shannon Heberling and Kirk Kauers salute riders who presented each of the three U.S. servicemen with American flags during a ceremony held in front of the VFW, 820 Main St. during the Independence Day parade, Thursday, July 4, 2013. The honor was coordinated by the Racine chapter of the Southeastern Wisconsin Harley Owners Group. The chapter has been stopping at the VFW during the parade to give select veterans flags, folded by the American Legion Riders, for the last three years. Al Winter is a Vietnam veteran who served with the U.S. Marines and later served with the Air Force Reserve 440th wing. Heberling is a Navy chief and reservist who has presented thousands of flags during military funerals in his job as coordinator/team leader of the Wisconsin Department of Veterans Affairs' funeral military honors activities. Army veteran Kirk Kauers fought in Afghanistan and received three Purple Hearts. (AP Photo/The Journal Times, Scott Anderson ) less

From left, Al Winter, Shannon Heberling and Kirk Kauers salute riders who presented each of the three U.S. servicemen with American flags during a ceremony held in front of the VFW, 820 Main St. during the ... more

The Walker family of Lafayette, La. relaxes while waiting for the start of the Boston Pops Fourth of July Concert at the Hatch Shell in Boston, Thursday, July 4, 2013. (AP Photo/Michael Dwyer)

The Walker family of Lafayette, La. relaxes while waiting for the start of the Boston Pops Fourth of July Concert at the Hatch Shell in Boston, Thursday, July 4, 2013. (AP Photo/Michael Dwyer)

Photo: Michael Dwyer, Associated Press

The Walker family of Lafayette, La. relaxes while waiting for the... Photo-4879222.65788 - GreenwichTime

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People line North State Street while watching a row of tractors in the Annual Millville Independence Day Parade, Thursday, July 4, 2013, in Millville, Pa. (AP Photo/Bloomsburg Press Enterprise, Jimmy May)

People line North State Street while watching a row of tractors in the Annual Millville Independence Day Parade, Thursday, July 4, 2013, in Millville, Pa. (AP Photo/Bloomsburg Press Enterprise, Jimmy May)

Photo: Jimmy May, Associated Press

People line North State Street while watching a row of tractors in... Photo-4879219.65788 - GreenwichTime

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The 26th Town of Farragut Independence Day parade carries on despite the rain Thursday, July 4, 2013, in Farragut, Tenn. A city official said there were some weather cancellations but there were still more than enough participants for a parade. (AP Photo/Michael Patrick, Knoxville News Sentinel) less

The 26th Town of Farragut Independence Day parade carries on despite the rain Thursday, July 4, 2013, in Farragut, Tenn. A city official said there were some weather cancellations but there were still more than ... more

Photo: Michael Patrick, Associated Press

The 26th Town of Farragut Independence Day parade carries on... Photo-4879212.65788 - GreenwichTime

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Al Mitchell, of Barnstead, N.H., salutes during the national anthem before the Boston Pops Fourth of July Concert at the Hatch Shell in Boston, Thursday, July 4, 2013. (AP Photo/Michael Dwyer)

Al Mitchell, of Barnstead, N.H., salutes during the national anthem before the Boston Pops Fourth of July Concert at the Hatch Shell in Boston, Thursday, July 4, 2013. (AP Photo/Michael Dwyer)

Photo: Michael Dwyer, Associated Press

Al Mitchell, of Barnstead, N.H., salutes during the national anthem... Photo-4879213.65788 - GreenwichTime

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President Barack Obama holds an infant while greeting guests at the White House during a Fourth of July celebration, in Washington, July 4, 2013. (Allison Shelley/The New York Times)

President Barack Obama holds an infant while greeting guests at the White House during a Fourth of July celebration, in Washington, July 4, 2013. (Allison Shelley/The New York Times)

Fireworks light the sky over the U.S. Capitol, left, the Washington Monument and the Lincoln Memorial during Fourth of July celebrations, Thursday, July 4, 2013 in Washington. Surrounded by scaffolding, the Washington Monument is closed for repairs after an earthquake in 2011. (AP Photo/Alex Brandon) less

Fireworks light the sky over the U.S. Capitol, left, the Washington Monument and the Lincoln Memorial during Fourth of July celebrations, Thursday, July 4, 2013 in Washington. Surrounded by scaffolding, the ... more

Photo: Alex Brandon, Associated Press

Fireworks light the sky over the U.S. Capitol, left, the Washington... Photo-4879214.65788 - GreenwichTime

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Fourth of July Independence Day fireworks are seen over the US Capitol and Washington Monument July 4, 2013 in Washington, DC AFP Photo/Paul J. RichardsPAUL J. RICHARDS/AFP/Getty Images

Fourth of July Independence Day fireworks are seen over the US Capitol and Washington Monument July 4, 2013 in Washington, DC AFP Photo/Paul J. RichardsPAUL J. RICHARDS/AFP/Getty Images

Photo: Paul J. Richards, AFP/Getty Images

Fourth of July Independence Day fireworks are seen over the US... Photo-4879217.65788 - GreenwichTime

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Fireworks light the sky over the U.S. Capitol, left, the Washington Monument and the Lincoln Memorial during Fourth of July celebrations, Thursday, July 4, 2013 in Washington. Surrounded by scaffolding, the Washington Monument is closed for repairs after an earthquake in 2011. (AP Photo/Alex Brandon) less

Fireworks light the sky over the U.S. Capitol, left, the Washington Monument and the Lincoln Memorial during Fourth of July celebrations, Thursday, July 4, 2013 in Washington. Surrounded by scaffolding, the ... more

Photo: Alex Brandon, Associated Press

Fireworks light the sky over the U.S. Capitol, left, the Washington... Photo-4879221.65788 - GreenwichTime

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Fireworks light the sky over the U.S. Capitol, left, the Washington Monument and the Lincoln Memorial during Fourth of July celebrations, Thursday, July 4, 2013 in Washington. Surrounded by scaffolding, the Washington Monument is closed for repairs after an earthquake in 2011. (AP Photo/Alex Brandon) less

Fireworks light the sky over the U.S. Capitol, left, the Washington Monument and the Lincoln Memorial during Fourth of July celebrations, Thursday, July 4, 2013 in Washington. Surrounded by scaffolding, the ... more

Photo: Alex Brandon, Associated Press

Fireworks light the sky over the U.S. Capitol, left, the Washington... Photo-4879220.65788 - GreenwichTime